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. 2023 Jan 26;9(2):e13267. doi: 10.1016/j.heliyon.2023.e13267

Table 5.

Atomic percentage of the two materials’ surface before and after adsorption of Cr (Ⅵ).

Form Atomic percentage (%)
Elements AC AC-Cr ACI ACI-Cr
C (%) 89.07 82.68 91.22 81.66
O (%) 10.93 15.74 8.78 16.77
Cr (%) 0.00 1.57 0.00 1.56
O/C 0.123 0.190 0.0963 0.205